Description : The pipe wall thickness is minimum for a pipe of given nominal size having schedule number (A) 160 (B) 120 (C) 80 (D) 40
Last Answer : (D) 40
Description : The schedule number of a pipe is an indication of its (A) Size (B) Roughness (C) Material density (D) Wall thickness
Last Answer : (D) Wall thickness
Description : With increase in the schedule number of a pipe of a particular nominal size, the (A) Wall thickness also increases (B) I.D. of the pipe decreases (C) O.D. of the pipe remains constant (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is (A) 100 (B) 900 (C) 9000 (D) 10000
Last Answer : (D) 10000
Description : A 100 kg flywheel having a radius of gyration of 1 m is rotating at 1000 rpm. The angular momentum of the flywheel about its axis of rotation, in kg m2/s is a.1000 b.107 dynes c.10000 d.10470 e.5235
Last Answer : d. 10470
Description : Formula for established plants to the speed sown based on the dug seed is given by A. CI= [(E×10000) /(D×W) ]×1000 B. CI=[E/(N+E) ]×100 C.Both (A) and (B) D. None of (A) and (B)
Last Answer : B. CI=[E/(N+E) ]×100
Description : In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. (A) 100 (B) 200-300 (C) 1000-10000 (D) 10
Last Answer : (C) 1000-10000
Description : A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is __________ kg. (A) 10 (B) 100 (C) 1000 (D) 10000
Last Answer : (B) 100
Description : In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. (A) 100 (B) 1000 (C) 10000 (D) 100000
Last Answer : (B) 1000
Description : A 10 cm dia steam pipe, carrying steam at 180°C, is covered with an insulation (conductivity = 0.6 W/m.°C). It losses heat to the surroundings at 30°C. Assume a heat transfer co-efficient of 0 ... that of the un-insulated steam pipe (D) Less than the steam pipe with 5 cms insulation
Last Answer : (B) Less than that of the un-insulated steam pipe
Description : Heat transfer co-efficient (h) for a fluid flowing inside a clean pipe is given by h = 0.023 (K/D) (DVρ/µ) 0.8 (CP .µ/k) 0.4 . This is valid for the value of NRe equal to (A) < 2100 (B) 2100-4000 (C) > 4000 (D) > 10000
Last Answer : (D) > 10000
Description : The birthrate measures the number of births during a year per – (1) 100 population (2) 1000 population (3) 10000 population (4) 100000 population
Last Answer : (2) 1000 population Explanation: The birth rate is typically the rate of births in a population over time. The rate of births in a population is calculated in several ways: live births ... techniques. The birth rate along with mortality and migration rate are used to calculate population growth.
Description : The period of a signal is 10 ms. What is its frequency in Hertz ? (A) 10 (B) 100 (C) 1000 (D) 10000
Description : What is the LCM of 10 100 1000 and 10000?
Last Answer : The least common multiple of 10 100 1,000 and 10,000 is 10,000.
Description : A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is A. 100 B. 1000 C. 5000 D. 10000
Last Answer : ANS: D
Description : Approximately how many Galaxies are there ? A. 10 Billion Galaxies B. 100 Billion Galaxies (Answer) C. 1000 Billion Galaxies D. 10000 Billion Galaxies
Last Answer : B. 100 Billion Galaxies (Answer)
Description : Amazon EBS currently supports up to ________ IOPS per volume A. 10 B. 100 C. 1000 D. 10000
Last Answer : 1000
Description : In a digital transmission, the receiver clock is 0.1 percent faster than the sender clock. How many extra bits per second does the receiver receive if the data rate is 1 Mbps ? (A) 10 bps (B) 100 bps (C) 1000 bps (D) 10000 bps
Last Answer : (C) 1000 bps
Description : A 300mm diameter pipe, 5mm wall thickness is to be radiographed using the double wall single image technique. The source to be used is Iridium. Which of the following statements is true? a) ... problem with the technique d) Only the double wall, double image technique should be used with Iridium
Last Answer : c) There is no problem with the technique
Description : If d is the diameter of the pipe, p is the total internal pressure, f is the permissible tensile stress and n is the effective of the joint, the thickness t of metal pipe, is (A) n (pd/2f) (B) (1/n) (pd/2f) (C) (1/n) (pd/3f) (D) (1/n) (pf/d
Last Answer : (B) (1/n) (pd/2f)
Description : Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around (A) 2000 (B) 10 (C) 100 (D) 1000 Answer:
Last Answer : (D) 1000
Description : For a given ambient air temperature with increase in the thickness of insulation of a hot cylindrical pipe, the rate of heat loss from the surface would (A) Decrease (B) Increase (C) First decrease and then increase (D) First increase and then decrease
Last Answer : (D) First increase and then decrease
Description : A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. (A) 1000 to 2000 (B) 3000 to 6000 (C) 6000 to 9000 (D) 10000 to 100000
Last Answer : (D) 10000 to 100000
Description : Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ ppm. (A) 50 (B) 1000 (C) 5000 (D) 10000
Last Answer : (A) 50
Description : For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. (A) 10000 (B) 5 (C) 500 (D) 1000
Last Answer : (B) 5
Description : Minimum number of articles to be submitted at a time for NBMS would be a) 1000 b) 5000 c) 10000 d) None of these
Last Answer : c) 10000
Description : In plane transmission grating, the angle of diffraction for second order maxima for wavelength 5 x 10 -5 cm is 30 0. Calculate the number of lines in one centimeter of the grating surface. A. 1000 lines/cm B. 5000 lines/cm C. 500 lines/cm D. 10000 lines/cm
Last Answer : B. 5000 lines/cm
Description : The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life pavement is (A) 1000 (B) 10,000 (C) 1,00,000 (D) 10,00,000
Last Answer : Answer: Option D
Description : In turbulent flow, a rough pipe has the same friction factor as a smooth pipe (A) In the zone of complete turbulence (B) When the roughness projections are much smaller than the thickness of ... ) Everywhere in the transition zone (D) When the friction factor is independent of the Reynold's number
Last Answer : (B) When the roughness projections are much smaller than the thickness of the laminar film
Description : Pick out the wrong statement: (A) Greater is the kinematic viscosity of the liquid, greater is the thickness of the boundary layer (B) Blowers develop a maximum pressure of 2 atmospheres ( ... factor in case of turbulent flow of liquids in pipe depends upon relative roughness & Reynolds number
Last Answer : (C) Friction losses in pipe fittings are generally expressed in terms of velocity heads
Description : Minimum thickness of load bearing RCC wall should be (A) 50 mm (B) 100 mm (C) 150 mm (D) 200 mm
Last Answer : (B) 100 mm
Description : Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its (A) Inner diameter (B) Outer diameter (C) Thickness (D) Neither inner nor outer diameter
Last Answer : (D) Neither inner nor outer diameter
Description : The nominal size of a hose pipe is specified by its (A) I.D. (B) O.D. (C) Thickness (D) None of these
Last Answer : (A) I.D.
Description : If the claim does not exceed Rs. 1,00,000, the claimant should be asked to submit an application duly completed to the authorities mentioned below who are competent to sanction claims without production of legal ... director, Director GPO is Rs 75000/- d) CPMG/PMG Rs 10000/- e) All the above
Last Answer : e) All the above
Description : No TDS will be deducted if the amount of interest paid in a financial year does not exceed Rs____ a) 3500/- b) 5000/- c) 1000/- d) 10000/
Last Answer : d) 10000/
Description : Leather cash bag should be used when the amount of currency notes exceeds Rs a) 5000 b) 10000 c) 500 d) 1000
Last Answer : c) 500
Description : Security deposit of free post is a) 1000/- b) 5000/- c) 10000/- d) No charge
Last Answer : c) 10000/
Description : When a term serious loss occurring to immovable property of department a. all loss exceeding Rs 1000/- b. all loss exceeding Rs 5000/- c. all loss exceeding RS 10000/
Last Answer : a. all loss exceeding Rs 1000/
Description : One ha cm of water is equal to — a. 1000 litre b. 10000 litre c. 100000 litre d. None of these
Last Answer : c. 100000 litre
Description : You have a marketing funnel of 10000 potential customers, 1000 leads and 50 conversions, out of which only 10 are new customers. How will you plan your marketing campaigns and focus on which part of the marketing funnel?
Last Answer : The best answer would be to focus on getting new customers, the second important part of your marketing campaigning would be getting more leads and if you could afford more resources, you can focus on improving the conversion process.
Description : Calculate value of closing stock from the following: Opening stock of finished goods (500 units) : Rs. 2,000 Cost of production (10000 units) : Rs. 50,000Closing stock (1000 units):? (a) Rs. 4,000 (b) Rs. 4,500 (c) Rs. 5,000 (d) Rs. 6,000
Last Answer : (b) Rs. 4,500
Description : I.D. of 1/4" schedule 40 pipe is 0.364". I.D. of a 1/2" schedule 40 pipe would be __________ inch (A) 4.728 (B) 0.5 (C) 0.622 (D) 0.474
Last Answer : (C) 0.622
Description : How can you determine the proper pipe thickness for a slurry line?
Last Answer : Design of slurry piping systems should follow ANSI/ASME B31.1 and B31.11 Codes. A simple equation for this calculation is as follows: t = (PD) / (2S) + C where: t = pipe wall thickness, ... of the pipe, psig S = maximum allowable design stress, psig C = corrosion or erosion allowance, in.
Description : Pick out the wrong statement. (A) Main constituents of LPG are propane and butane (B) C.V. of natural gas is about 10000 KCal/Nm3 (C) C.V. of LPG is about 26000 kcal/Nm3 (11500 kcal/kg) (D) L.P.G. is lighter than air
Last Answer : (D) L.P.G. is lighter than air
Description : Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per m2 of steel strip. (A) 5-10 (B) 1000-1500 (C) 120-500 (D) 1500-3000
Last Answer : Option C
Description : A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in 0.1 second. The average force of the car on the wall during impact is: w) 10 Newtons x) 1000 Newtons y) 10,000 Newtons z) 100,000 Newtons
Last Answer : ANSWER: Z -- 100,000 NEWTONS
Description : The least thickness of class B cast iron (spun) pipe, is (A) 7.2 mm (B) 7.9 mm (C) 8.6 mm (D) 10 mm
Last Answer : (C) 8.6 mm
Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the ... , is (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Last Answer : (C) 20 mm
Description : What is the minimum thickness of hub at the welding end per ASME B16.5? a) The numeral pipe thickness. b) 87 ½% of the pipe thickness. c) 112 ½% of the pipe thickness. d) .25".
Last Answer : b) 87 ½% of the pipe thickness.
Description : Which of the following is a measure of the agglutinating (i.e., binding) property of coal? (A) Thickness of plastic layer (B) Caking index (C) Swelling index (D) Gray-king index
Last Answer : (B) Caking index